Straighterline BIO201L Lab 9 The Endocrine System Worksheet

Question # 00631740
Course Code : BIO201L
Subject: Biology
Due on: 01/17/2022
Posted On: 01/16/2022 09:40 PM
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Pre-Lab Questions

1.            What is the function of the endocrinesystem?

2.            Research two types of hormones and describe the mode of action foreach.

3.            Which gland is both endocrine andexocrine?

4.            Whichhormonescontrolthefightorflightresponse?

5.            What is type 1 diabetes and what is the treatment for thisdisease?

6.            Describe how Ca2+ levels in the blood are regulated byhormones.

7.            Howdothenervousandendocrinesystemsworktogethertomaintainhomeostasisofthebody?

 Experiment 1: Microscopic Anatomy of the EndocrineSystem

Table 2: Experiment 1 Image Observations

Image Type                                        Image Observations

Thyroid Gland   

Parathyroid Gland          

Pancreas             

Adrenal Gland  

Pituitary Gland 

Anterior Pituitary Gland               

Post-Lab Questions

  1. Labeltheitemsinthefollowingslideimagesbasedonyourobservations.

 A-

B-

C-

D-

2.            Define what a hormoneis.

3.            How do hormones establishselectivity?

4.            Explain how insulin regulates glucose levels in theblood.

Experiment 2: Stress Response

Table 3: Effect of Temperature on Blood Pressure and Heart Rate

Time (Step #)                                                     Heart Rate (beats/minute)          Blood Pressure (mmHg)

Initial - Normal Temperature (Step 7)                                    

30 Seconds in Ice Water (Step 10)                                            

60 Seconds in Ice Water (Step 10)                                            

90 Seconds in Ice Water (Step 10)                                            

120 Seconds in Ice Water (Step 10)                                         

Final - Dry (Step 12)         Click here to enter text.                Click here to enter text.

Table 4: Effect of Posture on Blood Pressure and Heart Rate

Time (Step #)     Heart Rate (beats/minute)          Blood Pressure (mmHg)

Initial – Sitting (Step 7)                                  

Initial – Standing (Step 9)                             

1 Minute Standing (Step 10)                       

2 Minutes Standing (Step 10)                     

Final - 2 minutes Sitting

Post-Lab Questions

1.            Writeyourhypothesisforthe“TestingTemperature”portionofthisexperiment.Besuretoinclude howyouthinkthedecreasedtemperaturewillaffectbloodpressureandheartrate,and,why.

2.            Writeyourhypothesisforthe“TestingBodyPosition”portionofthisexperiment.Besuretoinclude how you think blood pressure and heart rate will vary when you sit versus when youstand.

3.            Explainyourresultsintermsoftheendocrinesystem.Indicatehowtheendocrinesystemisinvolved in the physiological response to temperature and bodyposition.

4.            Whichglandsaremostlikelytobeinvolvedwiththephysiologicalresponsecausedinthis experiment? Which hormones are most likely to beinvolved?

5.            How does this experiment demonstrate the “fight or flight”response?

Experiment 3: Fetal Pig Dissection – Endocrine System

Post-Lab Questions

1.            Describe the techniques utilized while dissecting the outer muscle layers of yourpig.

2.            Whatsurprisedyouabouttheinternalanatomyofthepig?

3.            What is unique about the glands of the endocrinesystem?

4.            Explainthefunctionofthethyroidglandandthehormonesitsecretes.Includehowthereleaseof hormone is regulated and what cells the hormone acton.

 

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Straighterline BIO201L Lab 9 The Endocrine System Worksheet

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